United Nations Global Marketplace (UNGM) 1 Avis Muscat United Engineering Services Company - UES 2 Avis Al-Seeb Al-Muzn for Auditing, Financial Consulting and Debt Collection 2 Avis Muscat Medical City for Military and Security Services 13 Avis Muscat Majis Industrial Services S.A.O.C 18 Avis Muscat Lire la suite